Решение задачи N4954 теория вероятностей
4954. There are 12 parts in a box, 3 of which are non-standard. From the box sequentially, one after the other, take two parts. Find the probability that both parts are standard. Solved in two ways.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.